What is the effect of an increase in the desired confidence level on the number of observations necessary in a time study?
A) increases
B) decreases
C) unchanged
D) may increase or decrease
E) impossible to say

Question

Quizplus · Accepted Answer

An increase in the desired level of confidence will increase the number of observations necessary in a time study. This is because a higher level of confidence requires a larger sample size to decrease the margin of error and increase the precision of the estimate.

What Is the Effect of an Increase in the Desired